Celina High School Assistant Principal Kevin Mast participated in an attack demonstration with K-9 Unit Nick of the Celina City Police Department this morning at the high school after a training team of six dogs and 25 officers checked every locker for prohibited substances. The group then went on to the middle school and Tri Star for the same drug sweep training.

Celina High School, the middle school and Tri Star building were training targets this morning for six drug dogs and about 25 area law enforcement officers. The exercise resulted in the arrest of a high school female for underage . . .